mirror of https://gitee.com/openkylin/glib2.0.git
92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
/* grcbox.h: Reference counted data
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*
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* Copyright 2018 Emmanuele Bassi
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#include <glib/gmem.h>
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#include <glib/glib-typeof.h>
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G_BEGIN_DECLS
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GLIB_AVAILABLE_IN_2_58
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gpointer g_rc_box_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_rc_box_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_rc_box_dup (gsize block_size,
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gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_rc_box_acquire (gpointer mem_block);
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GLIB_AVAILABLE_IN_2_58
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void g_rc_box_release (gpointer mem_block);
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GLIB_AVAILABLE_IN_2_58
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void g_rc_box_release_full (gpointer mem_block,
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GDestroyNotify clear_func);
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GLIB_AVAILABLE_IN_2_58
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gsize g_rc_box_get_size (gpointer mem_block);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_atomic_rc_box_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_atomic_rc_box_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_atomic_rc_box_dup (gsize block_size,
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gconstpointer mem_block) G_GNUC_ALLOC_SIZE(1);
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GLIB_AVAILABLE_IN_2_58
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gpointer g_atomic_rc_box_acquire (gpointer mem_block);
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GLIB_AVAILABLE_IN_2_58
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void g_atomic_rc_box_release (gpointer mem_block);
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GLIB_AVAILABLE_IN_2_58
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void g_atomic_rc_box_release_full (gpointer mem_block,
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GDestroyNotify clear_func);
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GLIB_AVAILABLE_IN_2_58
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gsize g_atomic_rc_box_get_size (gpointer mem_block);
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#define g_rc_box_new(type) \
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((type *) g_rc_box_alloc (sizeof (type)))
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#define g_rc_box_new0(type) \
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((type *) g_rc_box_alloc0 (sizeof (type)))
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#define g_atomic_rc_box_new(type) \
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((type *) g_atomic_rc_box_alloc (sizeof (type)))
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#define g_atomic_rc_box_new0(type) \
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((type *) g_atomic_rc_box_alloc0 (sizeof (type)))
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#if defined(glib_typeof)
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/* Type check to avoid assigning references to different types */
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#define g_rc_box_acquire(mem_block) \
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((glib_typeof (mem_block)) (g_rc_box_acquire) (mem_block))
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#define g_atomic_rc_box_acquire(mem_block) \
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((glib_typeof (mem_block)) (g_atomic_rc_box_acquire) (mem_block))
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/* Type check to avoid duplicating data to different types */
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#define g_rc_box_dup(block_size, mem_block) \
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((glib_typeof (mem_block)) (g_rc_box_dup) (block_size, mem_block))
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#define g_atomic_rc_box_dup(block_size, mem_block) \
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((glib_typeof (mem_block)) (g_atomic_rc_box_dup) (block_size, mem_block))
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#endif
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G_END_DECLS
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